package com.ruoyi.hospital.service;

import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.exception.user.BlackListException;
import com.ruoyi.common.exception.user.UserNotExistsException;
import com.ruoyi.common.exception.user.UserPasswordNotMatchException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.ip.IpUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.framework.security.context.AuthenticationContextHolder;
import com.ruoyi.framework.web.service.SysPasswordService;
import com.ruoyi.hospital.entity.HasItemsVO;
import com.ruoyi.hospital.entity.LoginHospital;
import com.ruoyi.service.domain.*;
import com.ruoyi.service.service.*;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.util.*;

/**
 * 登录校验方法
 * 
 * @author ruoyi
 */
@Component
public class HospitalLoginService
{
    @Autowired
    private HospitalTokenService tokenService;

    @Resource
    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;
    
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private IServiceNurseService nurseService;

    @Autowired
    private IServiceRoleService roleService;

    @Autowired
    private IServiceNurseitemsService nurseitemsService;

    @Autowired
    private IServiceWardService wardService;

    @Autowired
    private IServiceItemsService itemsService;

    private static final Logger log = LoggerFactory.getLogger(HospitalLoginService.class);

    @Autowired
    private SysPasswordService passwordService;

    /**
     * 登录验证
     *
     * @param username 用户名
     * @param password 密码
     * @param code 验证码
     * @param uuid 唯一标识
     * @param loginFlag 类型标识
     * @return 结果
     */
    public String loginApp(String username, String password, String code, String uuid, int loginFlag)
    {
        // 验证码校验
        validateCaptcha(username, code, uuid);
        // 登录前置校验
        loginPreCheck(username, password);
        // 用户验证
        Authentication authentication = null;
        ServiceNurse user = null;
        ServiceRole role = null;
        ServiceWard ward = null;
        List<HasItemsVO> hasItemsVOS = null;
        Set<String> permissions = new HashSet<>();

        try
        {
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, password);
            AuthenticationContextHolder.setContext(authenticationToken);
            if(loginFlag == 2){//护士登录
                user = nurseService.selectServiceNurseByNurseTelephone(username);
                if (StringUtils.isNull(user))
                {
                    log.info("登录用户：{} 不存在.", username);
                    throw new ServiceException(MessageUtils.message("user.not.exists"));
                }
                if (!user.getNursePassword().equals(password)){
                    throw new UserPasswordNotMatchException();
                }
                else if ("1".equals(user.getNurseDelFlag()))
                {
                    log.info("登录用户：{} 已被删除.", username);
                    throw new ServiceException(MessageUtils.message("user.password.delete"));
                }
                else if ("1".equals(user.getNurseUseFlag()))
                {
                    log.info("登录用户：{} 已被停用.", username);
                    throw new ServiceException(MessageUtils.message("user.blocked"));
                }
                role = roleService.selectServiceRoleByRoleId(user.getNurseRoleid());
                if(StringUtils.isNull(role)){
                    log.info("登录用户：{} 角色不存在.", username);
                    throw new ServiceException(MessageUtils.message("user.not.exists"));
                }
                ward = wardService.selectServiceWardByWardId(user.getNurseWardid());
                if(StringUtils.isNull(ward)){
                    log.info("登录用户：{} ward不存在.", username);
                    throw new ServiceException(MessageUtils.message("user.not.exists"));
                }
                List<ServiceNurseitems> serviceNurseitems = nurseitemsService.selectServiceNurseitemsListByNurseId(user.getNurseId());
                for (ServiceNurseitems serviceNurseitem : serviceNurseitems){
                    ServiceItems item = itemsService.selectServiceItemsByItemId(serviceNurseitem.getNurseitemsItemid());
                    if(item.getItemUseFlag().equals("0")){
                        permissions.add(String.valueOf(item.getItemId()));
                    }
                }
                //passwordService.validate(user);
                //return createLoginUser(user);

            }else{//医院端登录

            }
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            //authentication = authenticationManager.authenticate(authenticationToken);
        }
        catch (Exception e)
        {
            if (e instanceof BadCredentialsException)
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            }
            else
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        }
        finally
        {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginHospital loginHospital = new LoginHospital(user.getNurseId(), user, permissions);
        loginHospital.setRoleId(role.getRoleId());
        loginHospital.setRoleName(role.getRoleName());
        loginHospital.setWardId(ward.getWardId());
        loginHospital.setWardName(ward.getWardName());

        //LoginHospital loginUser = (LoginHospital) authentication.getPrincipal();
        recordLoginInfo(user.getNurseId());
        // 生成token
        return tokenService.createTokenHospital(loginHospital);
    }

    /**
     * 校验验证码
     * 
     * @param username 用户名
     * @param code 验证码
     * @param uuid 唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid)
    {
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        if (captchaEnabled)
        {
            String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
            String captcha = redisCache.getCacheObject(verifyKey);
            if (captcha == null)
            {
                //AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire")));
                //throw new CaptchaExpireException();
            }
            redisCache.deleteObject(verifyKey);
            if (!code.equalsIgnoreCase(captcha))
            {
                //AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
                //throw new CaptchaException();
            }
        }
    }

    /**
     * 登录前置校验
     * @param username 用户名
     * @param password 用户密码
     */
    public void loginPreCheck(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isEmpty(username) || StringUtils.isEmpty(password))
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("not.null")));
            throw new UserNotExistsException();
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // IP黑名单校验
        String blackStr = configService.selectConfigByKey("sys.login.blackIPList");
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr()))
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("login.blocked")));
            throw new BlackListException();
        }
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId)
    {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        sysUser.setLoginIp(IpUtils.getIpAddr());
        sysUser.setLoginDate(DateUtils.getNowDate());
        userService.updateUserProfile(sysUser);
    }




    @Transactional
    public Map<String, Object> getStatistics() {
        try {
            Map<String, Object> ret = new HashMap<>();

            ret.put("totalOrders", 128);// 总订单数
            ret.put("totalIncome", 25800);// 总收入（单位：分）
            ret.put("star", 4.8);// 评分（满分5分）
            ret.put("monthOrders", 12);// 本月订单数
            ret.put("monthIncome", 3600);// 本月收入（单位：分）
            ret.put("newOrders", 2);// 新订单数
            ret.put("unServedOrders", 3);// 待服务订单数
            ret.put("settlingOrders", 2);// 结算中订单数

            return ret;
        } catch (Exception e) {
            return null;
        }
    }



}
